Cryptozoic
(ˌkrɪptəʊˈzəʊɪk) adj (Geological Science) of or relating to that part of geological time represented by rocks in which the evidence of life is slight and the life forms are primitive; pre-Phanerozoic
n (Geological Science) the Cryptozoic the Cryptozoic era
cryptozoic
(ˌkrɪptəʊˈzəʊɪk) adj (Zoology) (of animals) living in dark places, such as holes, caves, and beneath stones
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